Newtons laws of motion worksheet - Free Printable
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Step-by-step solution for: Newtons laws of motion worksheet
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Show Answer Key & Explanations
Step-by-step solution for: Newtons laws of motion worksheet
Let's go through each question one by one and solve them with explanations.
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6. According to Newton’s third law of motion, what does every action have?
Answer: b. An equal and opposite reaction.
Explanation:
Newton’s third law states that for every action, there is an equal and opposite reaction. This means that whenever one object exerts a force on a second object, the second object exerts a force of equal magnitude but in the opposite direction on the first object. The image shows two people pulling on a rope — each person pulls on the other with equal force in opposite directions.
✔ Correct answer: b
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7. If you place a book on your desk, it will remain at rest on your desk unless a force causes it to move. Which of Newton’s law does the example help explain?
Answer: b. Newton’s first law of motion
Explanation:
Newton’s first law (the law of inertia) states that an object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force. The book remains at rest until a force (like pushing or pulling) acts on it. This directly illustrates the concept of inertia.
✔ Correct answer: b
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8. What is the force of an object equal according to Newton’s second law of motion?
Answer: c. Its mass times acceleration
Explanation:
Newton’s second law is expressed as:
F = m × a
Where:
- F = force
- m = mass
- a = acceleration
So, the force acting on an object is equal to its mass multiplied by its acceleration.
✔ Correct answer: c
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9. If you and a friend hold a book, a pencil, a paper clip, and a crayon at the same height in the air, and drop them all, which item will hit the ground with the greatest force?
Answer: a. The book
Explanation:
All objects fall at the same rate in the absence of air resistance (due to gravity), so they will all reach the ground at the same time. However, the force with which they hit the ground depends on their mass and acceleration (from F = ma). Since they all accelerate due to gravity (same "a"), the object with the greatest mass will exert the greatest force upon impact.
The book has the largest mass among the listed items, so it will hit the ground with the greatest force.
✔ Correct answer: a
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10. If you drop an object, it will fall directly to the ground because of
Answer: b. Gravity
Explanation:
Gravity is the force that attracts objects toward the Earth. When you drop an object, gravity pulls it downward toward the ground. This is why all falling objects are pulled straight down.
✔ Correct answer: b
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| Question | Answer |
|--------|--------|
| 6 | b. An equal and opposite reaction |
| 7 | b. Newton’s first law of motion |
| 8 | c. Its mass times acceleration |
| 9 | a. The book |
| 10 | b. Gravity |
Let me know if you'd like these explained further!
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6. According to Newton’s third law of motion, what does every action have?
Answer: b. An equal and opposite reaction.
Explanation:
Newton’s third law states that for every action, there is an equal and opposite reaction. This means that whenever one object exerts a force on a second object, the second object exerts a force of equal magnitude but in the opposite direction on the first object. The image shows two people pulling on a rope — each person pulls on the other with equal force in opposite directions.
✔ Correct answer: b
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7. If you place a book on your desk, it will remain at rest on your desk unless a force causes it to move. Which of Newton’s law does the example help explain?
Answer: b. Newton’s first law of motion
Explanation:
Newton’s first law (the law of inertia) states that an object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force. The book remains at rest until a force (like pushing or pulling) acts on it. This directly illustrates the concept of inertia.
✔ Correct answer: b
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8. What is the force of an object equal according to Newton’s second law of motion?
Answer: c. Its mass times acceleration
Explanation:
Newton’s second law is expressed as:
F = m × a
Where:
- F = force
- m = mass
- a = acceleration
So, the force acting on an object is equal to its mass multiplied by its acceleration.
✔ Correct answer: c
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9. If you and a friend hold a book, a pencil, a paper clip, and a crayon at the same height in the air, and drop them all, which item will hit the ground with the greatest force?
Answer: a. The book
Explanation:
All objects fall at the same rate in the absence of air resistance (due to gravity), so they will all reach the ground at the same time. However, the force with which they hit the ground depends on their mass and acceleration (from F = ma). Since they all accelerate due to gravity (same "a"), the object with the greatest mass will exert the greatest force upon impact.
The book has the largest mass among the listed items, so it will hit the ground with the greatest force.
✔ Correct answer: a
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10. If you drop an object, it will fall directly to the ground because of
Answer: b. Gravity
Explanation:
Gravity is the force that attracts objects toward the Earth. When you drop an object, gravity pulls it downward toward the ground. This is why all falling objects are pulled straight down.
✔ Correct answer: b
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✔ Final Answers Summary:
| Question | Answer |
|--------|--------|
| 6 | b. An equal and opposite reaction |
| 7 | b. Newton’s first law of motion |
| 8 | c. Its mass times acceleration |
| 9 | a. The book |
| 10 | b. Gravity |
Let me know if you'd like these explained further!
Parent Tip: Review the logic above to help your child master the concept of newton s laws worksheet.
